THORLABS SHB025 - Chapter 5 Specifications

Ø1/4" Shutters and Controller Chapter 5: Specifications
Rev F, January 18, 2023 Page 13
Chapter 5 Specifications
All values at 25 °C unless otherwise noted.
Specification
Value
Electrical Specifications (Shutter Mechanism)
External Modulation Input Voltage, TTL
Low: 0 – 0.8 VDC
High: 2.0 – 5.0 VDC
Coil Resistance
8.2  ± 2.5%
Shutter Drive Voltage
7.0 VDC Typ, 8.0 VDC Max
Controller Drive Type
PWM @ 20 KHz
Performance Specifications
Operating Temperature
15 – 40 °C
Operating Freq. Over Operating Temp Range
0 – 50 Hz
Min Exposure Pulse
3
10 ms Typ, 12 ms Max
Exposure Accuracy
4
2 ± 0.5 ms
Exposure Repeatability Jitter
5
< 4 ms
Jitter Rising Edge ≤15 Hz
1.8 ms Typical, 4 ms Max
Jitter Falling Edge ≤15 Hz
1.8 ms Typical, 4 ms Max
Jitter Rising Edge 16 – 50 Hz
3.5 ms Typical, 8 ms Max
Jitter Falling Edge 16 – 50 Hz
3.5 ms Typical, 8 ms Max
Rise Time
3 ms Typical, 4 ms Max
Fall Time
3 ms Typical, 4 ms Max
Typical Lifetime
5 Million Cycles
Protected Mode
Max Operating Freq., Continuous
6
15 Hz
Max Operating Freq., 1 min
16 – 50 Hz
Unprotected Mode
Max Operating Freq., Continuous
6
50 Hz
Overheat protection disabled
Mechanical Specifications
Aperture Diameter
0.25" (6.4 mm)
Boxed Weight
3 lbs (1.4 kgs)
Number of Blades
2
Blade Finish
SHB025: Polished Stainless Steel
SHB025T: PTFE Coated
Electrical Specifications (Power Supply)
AC Line Voltage, Frequency
100 – 240, 47 – 63 Hz
AC Current
0.4 A
DC Voltage
5.0 VDC @ 2.4 A
3
Measured using the minimum drive pulse (MDP) of 10 ms measured at 50% open.
4
Referenced to the external input drive pulse over a range of 4 to 15 Hz.
5
Measured 50 times repeatedly over a range of 4 to 15 Hz.
6
Shutter can get very hot if used outside of heat-sinking mount, allow 5 minutes to cool before handling